Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr IBPSA_latest_IBPSA.Fluid.Movers.BaseClasses.Validation.PowerInterface.conf.json
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false)
loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo", uses=false)
Using package IBPSA with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo)
Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo)
Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo)
Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo)
Running command: "" <> buildModelFMU(IBPSA.Fluid.Movers.BaseClasses.Validation.PowerInterface,fileNamePrefix="IBPSA_latest_IBPSA_Fluid_Movers_BaseClasses_Validation_PowerInterface",fmuType="me",version="2.0",platforms={"static"})
"" <> buildModelFMU(IBPSA.Fluid.Movers.BaseClasses.Validation.PowerInterface,fileNamePrefix="IBPSA_latest_IBPSA_Fluid_Movers_BaseClasses_Validation_PowerInterface",fmuType="me",version="2.0",platforms={"static"})
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.001129/0.001129, allocations: 104.2 kB / 15.98 MB, free: 6.352 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001132/0.001132, allocations: 190.5 kB / 16.91 MB, free: 6.195 MB / 14.72 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.255/1.255, allocations: 222.9 MB / 240.6 MB, free: 15.38 MB / 206.1 MB
Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/IBPSA 4.0.0-master/package.mo): time 0.7032/0.7032, allocations: 115.3 MB / 406.1 MB, free: 6.398 MB / 318.1 MB
Notification: Performance of FrontEnd - loaded program: time 0.001254/0.001254, allocations: 63.91 kB / 493.2 MB, free: 0.5938 MB / 398.1 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.3175/0.3187, allocations: 76.17 MB / 0.556 GB, free: 36.5 MB / 446.1 MB
Notification: Performance of NFInst.instantiate(IBPSA.Fluid.Movers.BaseClasses.Validation.PowerInterface): time 0.00272/0.3215, allocations: 1.668 MB / 0.5576 GB, free: 35.35 MB / 446.1 MB
Notification: Performance of NFInst.instExpressions: time 0.0005636/0.3221, allocations: 336.7 kB / 0.558 GB, free: 35.13 MB / 446.1 MB
Notification: Performance of NFInst.updateImplicitVariability: time 4.463e-05/0.3221, allocations: 6.125 kB / 0.558 GB, free: 35.12 MB / 446.1 MB
Notification: Performance of NFTyping.typeComponents: time 3.638e-05/0.3222, allocations: 6 kB / 0.558 GB, free: 35.12 MB / 446.1 MB
Notification: Performance of NFTyping.typeBindings: time 7.368e-05/0.3223, allocations: 17.47 kB / 0.558 GB, free: 35.11 MB / 446.1 MB
Notification: Performance of NFTyping.typeClassSections: time 0.0002823/0.3226, allocations: 69.86 kB / 0.5581 GB, free: 35.07 MB / 446.1 MB
Notification: Performance of NFFlatten.flatten: time 0.0001085/0.3227, allocations: 101.7 kB / 0.5582 GB, free: 35.03 MB / 446.1 MB
Notification: Performance of NFFlatten.resolveConnections: time 0.0001089/0.3228, allocations: 35.09 kB / 0.5582 GB, free: 35.02 MB / 446.1 MB
Notification: Performance of NFEvalConstants.evaluate: time 6.809e-05/0.3229, allocations: 41.66 kB / 0.5582 GB, free: 35 MB / 446.1 MB
Notification: Performance of NFSimplifyModel.simplify: time 7.258e-05/0.3229, allocations: 47.06 kB / 0.5583 GB, free: 34.97 MB / 446.1 MB
Notification: Performance of NFPackage.collectConstants: time 1.803e-05/0.323, allocations: 6.562 kB / 0.5583 GB, free: 34.97 MB / 446.1 MB
Notification: Performance of NFFlatten.collectFunctions: time 8.362e-05/0.3231, allocations: 45.94 kB / 0.5583 GB, free: 34.96 MB / 446.1 MB
Notification: Performance of NFScalarize.scalarize: time 1.755e-05/0.3231, allocations: 19.28 kB / 0.5583 GB, free: 34.95 MB / 446.1 MB
Notification: Performance of NFVerifyModel.verify: time 3.827e-05/0.3231, allocations: 41.3 kB / 0.5584 GB, free: 34.92 MB / 446.1 MB
Notification: Performance of NFConvertDAE.convert: time 0.0001428/0.3233, allocations: 111.4 kB / 0.5585 GB, free: 34.88 MB / 446.1 MB
Notification: Performance of FrontEnd - DAE generated: time 3.016e-06/0.3233, allocations: 0.6875 kB / 0.5585 GB, free: 34.88 MB / 446.1 MB
Notification: Performance of FrontEnd: time 1.242e-06/0.3233, allocations: 0 / 0.5585 GB, free: 34.88 MB / 446.1 MB
Notification: Performance of Transformations before backend: time 5.04e-06/0.3233, allocations: 1.875 kB / 0.5585 GB, free: 34.88 MB / 446.1 MB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 18
 * Number of variables: 18
Notification: Performance of Generate backend data structure: time 0.0004556/0.3238, allocations: 402.5 kB / 0.5589 GB, free: 34.48 MB / 446.1 MB
Notification: Performance of prepare preOptimizeDAE: time 3.505e-05/0.3238, allocations: 10.92 kB / 0.5589 GB, free: 34.48 MB / 446.1 MB
Notification: Performance of preOpt introduceOutputAliases (simulation): time 2.816e-05/0.3238, allocations: 42.77 kB / 0.5589 GB, free: 34.44 MB / 446.1 MB
Notification: Performance of preOpt normalInlineFunction (simulation): time 0.001432/0.3253, allocations: 168 kB / 0.5591 GB, free: 34.43 MB / 446.1 MB
Notification: Performance of preOpt evaluateParameters (simulation): time 7.468e-05/0.3254, allocations: 183.2 kB / 0.5593 GB, free: 34.21 MB / 446.1 MB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 1.503e-05/0.3254, allocations: 4.625 kB / 0.5593 GB, free: 34.21 MB / 446.1 MB
Notification: Performance of preOpt expandDerOperator (simulation): time 2.654e-05/0.3254, allocations: 11 kB / 0.5593 GB, free: 34.21 MB / 446.1 MB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0006075/0.326, allocations: 171.5 kB / 0.5594 GB, free: 34.15 MB / 446.1 MB
Notification: Performance of preOpt findStateOrder (simulation): time 1.109e-05/0.326, allocations: 3.938 kB / 0.5594 GB, free: 34.15 MB / 446.1 MB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 1.719e-05/0.3261, allocations: 1 kB / 0.5594 GB, free: 34.15 MB / 446.1 MB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 8.075e-06/0.3261, allocations: 3.234 kB / 0.5595 GB, free: 34.15 MB / 446.1 MB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0008942/0.327, allocations: 186.3 kB / 0.5596 GB, free: 34.11 MB / 446.1 MB
Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001113/0.3281, allocations: 473.6 kB / 0.5601 GB, free: 33.77 MB / 446.1 MB
Notification: Performance of preOpt comSubExp (simulation): time 0.001092/0.3292, allocations: 188.7 kB / 0.5603 GB, free: 33.73 MB / 446.1 MB
Notification: Performance of preOpt resolveLoops (simulation): time 0.0003624/0.3296, allocations: 67.38 kB / 0.5603 GB, free: 33.71 MB / 446.1 MB
Notification: Performance of preOpt evalFunc (simulation): time 2.034e-05/0.3296, allocations: 0.6562 kB / 0.5603 GB, free: 33.71 MB / 446.1 MB
Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 1.277e-05/0.3296, allocations: 33.44 kB / 0.5604 GB, free: 33.67 MB / 446.1 MB
Notification: Performance of pre-optimization done (n=3): time 1.723e-06/0.3296, allocations: 0.625 kB / 0.5604 GB, free: 33.67 MB / 446.1 MB
Notification: Performance of matching and sorting (n=3): time 0.001156/0.3308, allocations: 228 kB / 0.5606 GB, free: 33.61 MB / 446.1 MB
Notification: Performance of inlineWhenForInitialization (initialization): time 1.95e-05/0.3308, allocations: 53.48 kB / 0.5606 GB, free: 33.54 MB / 446.1 MB
Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0002169/0.331, allocations: 192.3 kB / 0.5608 GB, free: 33.42 MB / 446.1 MB
Notification: Performance of collectPreVariables (initialization): time 1.27e-05/0.3311, allocations: 25.7 kB / 0.5608 GB, free: 33.39 MB / 446.1 MB
Notification: Performance of collectInitialEqns (initialization): time 4.181e-05/0.3311, allocations: 113.5 kB / 0.5609 GB, free: 33.28 MB / 446.1 MB
Notification: Performance of collectInitialBindings (initialization): time 1.36e-05/0.3311, allocations: 9.969 kB / 0.561 GB, free: 33.27 MB / 446.1 MB
Notification: Performance of simplifyInitialFunctions (initialization): time 6.979e-05/0.3312, allocations: 31.38 kB / 0.561 GB, free: 33.25 MB / 446.1 MB
Notification: Performance of setup shared object (initialization): time 4.54e-05/0.3313, allocations: 322.8 kB / 0.5613 GB, free: 32.93 MB / 446.1 MB
Notification: Performance of preBalanceInitialSystem (initialization): time 0.0004493/0.3317, allocations: 87.73 kB / 0.5614 GB, free: 32.91 MB / 446.1 MB
Notification: Performance of partitionIndependentBlocks (initialization): time 0.0004475/0.3322, allocations: 97.81 kB / 0.5615 GB, free: 32.88 MB / 446.1 MB
Notification: Performance of analyzeInitialSystem (initialization): time 0.0007577/0.3329, allocations: 158 kB / 0.5616 GB, free: 32.83 MB / 446.1 MB
Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.545e-06/0.3329, allocations: 0.5156 kB / 0.5616 GB, free: 32.83 MB / 446.1 MB
Notification: Performance of matching and sorting (n=7) (initialization): time 0.0009348/0.3339, allocations: 218.7 kB / 0.5618 GB, free: 32.77 MB / 446.1 MB
Notification: Performance of prepare postOptimizeDAE: time 1.432e-05/0.3339, allocations: 11.02 kB / 0.5618 GB, free: 32.76 MB / 446.1 MB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.47e-06/0.3339, allocations: 4.734 kB / 0.5618 GB, free: 32.76 MB / 446.1 MB
Notification: Performance of postOpt tearingSystem (initialization): time 1.268e-05/0.3339, allocations: 2.281 kB / 0.5618 GB, free: 32.76 MB / 446.1 MB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003295/0.3343, allocations: 48.53 kB / 0.5619 GB, free: 32.75 MB / 446.1 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 6.262e-06/0.3343, allocations: 2.172 kB / 0.5619 GB, free: 32.75 MB / 446.1 MB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003899/0.3347, allocations: 43.08 kB / 0.5619 GB, free: 32.75 MB / 446.1 MB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.961e-05/0.3347, allocations: 6.781 kB / 0.5619 GB, free: 32.75 MB / 446.1 MB
Notification: Performance of preBalanceInitialSystem (initialization_lambda0): time 0.0001969/0.3349, allocations: 120.6 kB / 0.5621 GB, free: 32.66 MB / 446.1 MB
Notification: Performance of partitionIndependentBlocks (initialization_lambda0): time 0.0001704/0.3351, allocations: 77.06 kB / 0.5621 GB, free: 32.59 MB / 446.1 MB
Notification: Performance of analyzeInitialSystem (initialization_lambda0): time 0.0002413/0.3353, allocations: 111.8 kB / 0.5622 GB, free: 32.52 MB / 446.1 MB
Notification: Performance of solveInitialSystemEqSystem (initialization_lambda0): time 1.413e-06/0.3353, allocations: 1.094 kB / 0.5622 GB, free: 32.52 MB / 446.1 MB
Notification: Performance of matching and sorting (n=7) (initialization_lambda0): time 0.000422/0.3358, allocations: 139.3 kB / 0.5624 GB, free: 32.46 MB / 446.1 MB
Notification: Performance of prepare postOptimizeDAE: time 9.658e-06/0.3358, allocations: 6.297 kB / 0.5624 GB, free: 32.46 MB / 446.1 MB
Notification: Performance of postOpt simplifyComplexFunction (initialization): time 3.236e-06/0.3358, allocations: 2.344 kB / 0.5624 GB, free: 32.46 MB / 446.1 MB
Notification: Performance of postOpt tearingSystem (initialization): time 4.388e-06/0.3358, allocations: 9.469 kB / 0.5624 GB, free: 32.45 MB / 446.1 MB
Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.000152/0.336, allocations: 26.58 kB / 0.5624 GB, free: 32.45 MB / 446.1 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 3.596e-06/0.336, allocations: 3.422 kB / 0.5624 GB, free: 32.45 MB / 446.1 MB
Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0002527/0.3362, allocations: 20.86 kB / 0.5624 GB, free: 32.45 MB / 446.1 MB
Notification: Performance of postOpt collapseArrayExpressions (initialization): time 1.074e-05/0.3362, allocations: 5.125 kB / 0.5624 GB, free: 32.45 MB / 446.1 MB
Notification: Model statistics after passing the back-end for initialization:
 * Number of independent subsystems: 3
 * Number of states: 0 ()
 * Number of discrete variables: 0 ()
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for initialization (7):
 * Single equations (assignments): 7
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 0
 * Mixed (continuous/discrete) equation systems: 0
Notification: Performance of prepare postOptimizeDAE: time 7.209e-05/0.3363, allocations: 186.3 kB / 0.5626 GB, free: 32.26 MB / 446.1 MB
Notification: Performance of postOpt lateInlineFunction (simulation): time 4.086e-05/0.3364, allocations: 12.92 kB / 0.5626 GB, free: 32.25 MB / 446.1 MB
Notification: Performance of postOpt wrapFunctionCalls (simulation): time 4.67e-05/0.3364, allocations: 18.12 kB / 0.5626 GB, free: 32.23 MB / 446.1 MB
Notification: Performance of postOpt inlineArrayEqn (simulation): time 2.344e-06/0.3364, allocations: 1.062 kB / 0.5626 GB, free: 32.23 MB / 446.1 MB
Notification: Performance of postOpt constantLinearSystem (simulation): time 3.918e-06/0.3364, allocations: 0 / 0.5626 GB, free: 32.23 MB / 446.1 MB
Notification: Performance of postOpt simplifysemiLinear (simulation): time 3.427e-06/0.3364, allocations: 1.859 kB / 0.5627 GB, free: 32.23 MB / 446.1 MB
Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0001894/0.3366, allocations: 203.3 kB / 0.5628 GB, free: 32.03 MB / 446.1 MB
Notification: Performance of postOpt simplifyComplexFunction (simulation): time 1.683e-06/0.3367, allocations: 0 / 0.5628 GB, free: 32.03 MB / 446.1 MB
Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002344/0.3369, allocations: 32.73 kB / 0.5629 GB, free: 32.03 MB / 446.1 MB
Notification: Performance of postOpt tearingSystem (simulation): time 2.706e-06/0.3369, allocations: 1.219 kB / 0.5629 GB, free: 32.03 MB / 446.1 MB
Notification: Performance of postOpt inputDerivativesUsed (simulation): time 1.744e-05/0.3369, allocations: 12.94 kB / 0.5629 GB, free: 32.02 MB / 446.1 MB
Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 2.044e-06/0.3369, allocations: 0 / 0.5629 GB, free: 32.02 MB / 446.1 MB
Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.373e-06/0.3369, allocations: 5.031 kB / 0.5629 GB, free: 32.02 MB / 446.1 MB
Notification: Performance of postOpt symbolicJacobian (simulation): time 0.000782/0.3377, allocations: 255.4 kB / 0.5631 GB, free: 31.86 MB / 446.1 MB
Notification: Performance of postOpt removeConstants (simulation): time 6.32e-05/0.3378, allocations: 96.7 kB / 0.5632 GB, free: 31.76 MB / 446.1 MB
Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 3.201e-05/0.3378, allocations: 4.688 kB / 0.5632 GB, free: 31.75 MB / 446.1 MB
Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0002964/0.3381, allocations: 28.28 kB / 0.5633 GB, free: 31.75 MB / 446.1 MB
Notification: Performance of postOpt findZeroCrossings (simulation): time 3.768e-05/0.3382, allocations: 8.359 kB / 0.5633 GB, free: 31.75 MB / 446.1 MB
Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.012e-05/0.3382, allocations: 1.5 kB / 0.5633 GB, free: 31.75 MB / 446.1 MB
Notification: Performance of sorting global known variables: time 0.0001765/0.3384, allocations: 147.9 kB / 0.5634 GB, free: 31.65 MB / 446.1 MB
Notification: Performance of sort global known variables: time 2.51e-07/0.3384, allocations: 0 / 0.5634 GB, free: 31.65 MB / 446.1 MB
Notification: Performance of remove unused functions: time 0.000368/0.3388, allocations: 36.66 kB / 0.5634 GB, free: 31.64 MB / 446.1 MB
Notification: Model statistics after passing the back-end for simulation:
 * Number of independent subsystems: 1
 * Number of states: 0 ()
 * Number of discrete variables: 0 ()
 * Number of discrete states: 0 ()
 * Number of clocked states: 0 ()
 * Top-level inputs: 0
Notification: Strong component statistics for simulation (3):
 * Single equations (assignments): 3
 * Array equations: 0
 * Algorithm blocks: 0
 * Record equations: 0
 * When equations: 0
 * If-equations: 0
 * Equation systems (not torn): 0
 * Torn equation systems: 0
 * Mixed (continuous/discrete) equation systems: 0
Notification: Performance of Backend phase and start with SimCode phase: time 0.0009035/0.3397, allocations: 0.7953 MB / 0.5642 GB, free: 30.95 MB / 446.1 MB
Notification: Performance of simCode: created initialization part: time 0.001033/0.3407, allocations: 212.3 kB / 0.5644 GB, free: 30.91 MB / 446.1 MB
Notification: Performance of simCode: created event and clocks part: time 3.436e-06/0.3407, allocations: 9.031 kB / 0.5644 GB, free: 30.9 MB / 446.1 MB
Notification: Performance of simCode: created simulation system equations: time 0.0003563/0.3411, allocations: 66.61 kB / 0.5645 GB, free: 30.89 MB / 446.1 MB
Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0003393/0.3414, allocations: 5.906 kB / 0.5645 GB, free: 30.89 MB / 446.1 MB
Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.003718/0.3452, allocations: 1.949 MB / 0.5664 GB, free: 29.46 MB / 446.1 MB
Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0001109/0.3453, allocations: 0.6968 MB / 0.5671 GB, free: 28.77 MB / 446.1 MB
Notification: Performance of simCode: alias equations: time 0.0001831/0.3455, allocations: 24.81 kB / 0.5671 GB, free: 28.75 MB / 446.1 MB
Notification: Performance of simCode: all other stuff during SimCode phase: time 9.486e-05/0.3456, allocations: 33.44 kB / 0.5671 GB, free: 28.73 MB / 446.1 MB
Notification: Performance of SimCode: time 4.01e-07/0.3456, allocations: 3.938 kB / 0.5671 GB, free: 28.73 MB / 446.1 MB
Notification: Performance of buildModelFMU: Generate the FMI files: time 0.01188/0.3575, allocations: 2.811 MB / 0.5699 GB, free: 28.44 MB / 446.1 MB
Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0001375/0.3576, allocations: 205.8 kB / 0.5701 GB, free: 28.18 MB / 446.1 MB
Notification: Performance of buildModelFMU: Generate platform static: time 1.646/2.004, allocations: 4.766 kB / 0.5701 GB, free: 28.18 MB / 446.1 MB
(rm -f IBPSA_latest_IBPSA.Fluid.Movers.BaseClasses.Validation.PowerInterface.pipe ; mkfifo IBPSA_latest_IBPSA.Fluid.Movers.BaseClasses.Validation.PowerInterface.pipe ; head -c 1048576 < IBPSA_latest_IBPSA.Fluid.Movers.BaseClasses.Validation.PowerInterface.pipe >> ../files/IBPSA_latest_IBPSA.Fluid.Movers.BaseClasses.Validation.PowerInterface.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator  --tempDir=temp_IBPSA_latest_IBPSA_Fluid_Movers_BaseClasses_Validation_PowerInterface_fmu --startTime=0 --stopTime=1 --timeout=50 --tolerance=1e-06 IBPSA_latest_IBPSA_Fluid_Movers_BaseClasses_Validation_PowerInterface.fmu > IBPSA_latest_IBPSA.Fluid.Movers.BaseClasses.Validation.PowerInterface.pipe 2>&1)